Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 34 4 12 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 37 5 12 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 155 27 78 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 164 28 79 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 12 1 3 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 229 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 5 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
13 12 1 3.3 bash -
93 51 49 3.5 zsh -
15 12 3 29.6 bumpleak/osh mut
16 11 6 29.3 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
29 20 8 25.8 osh-native mut+alloc+free
34 27 7 18.4 osh-native mut+alloc+free+gc
35 27 8 18.4 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
31 20 10 26.2 osh-nosouffle mut+alloc+free
37 26 11 18.6 osh-nosouffle mut+alloc+free+gc
37 32 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 28 13 33.3 _bin/cxx-opt+nopool/osh mut+alloc
54 45 9 23.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 23 0 1.7 dash -
43 42 1 3.4 bash -
335 172 186 3.8 zsh -
45 35 10 86.4 bumpleak/osh mut
49 38 11 86.3 _bin/cxx-opt+bumproot/osh mut
62 42 20 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 59 27 73.7 osh-native mut+alloc
97 60 37 75.5 osh-native mut+alloc+free
155 132 23 51.9 osh-native mut+alloc+free+gc
159 130 29 52.4 osh-native mut+alloc+free+gc+exit
95 68 27 74.1 osh-nosouffle mut+alloc
104 65 39 75.9 osh-nosouffle mut+alloc+free
164 141 23 52.1 osh-nosouffle mut+alloc+free+gc
174 144 30 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 71 60 98.7 _bin/cxx-opt+nopool/osh mut+alloc
219 187 32 73.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.6 dash -
4 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 5 1 11.4 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 3 6 10.6 osh-native mut+alloc+free
10 8 2 8.5 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 9 0 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
12 10 1 9.3 osh-nosouffle mut+alloc+free+gc
11 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 9 1 1.6 dash -
31 30 1 3.4 bash -
22 15 7 3.4 zsh -
17 12 5 32.8 bumpleak/osh mut
18 13 5 32.5 _bin/cxx-opt+bumproot/osh mut
20 18 2 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 26.9 osh-native mut+alloc
31 22 9 26.9 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
21 19 2 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.3 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.5 osh-nosouffle mut+alloc+free+gc
26 26 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 28 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
104 101 3 3.4 bash -
216 159 57 56.0 bumpleak/osh mut
223 178 45 57.4 _bin/cxx-opt+bumproot/osh mut
243 193 49 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 190 66 48.8 osh-native mut+alloc
268 184 84 50.7 osh-native mut+alloc+free
229 184 45 9.2 osh-native mut+alloc+free+gc
227 176 51 9.0 osh-native mut+alloc+free+gc+exit
268 196 72 49.2 osh-nosouffle mut+alloc
273 193 80 51.1 osh-nosouffle mut+alloc+free
229 168 61 9.4 osh-nosouffle mut+alloc+free+gc
231 182 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
296 228 67 64.6 _bin/cxx-opt+nopool/osh mut+alloc
263 225 38 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 5 5 3.9 dash -
16 7 9 4.7 bash -
16 5 11 4.1 zsh -
18 8 11 12.5 bumpleak/osh mut
20 10 10 13.4 _bin/cxx-opt+bumproot/osh mut
21 7 14 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
22 10 13 11.7 osh-native mut+alloc+free
21 14 8 9.4 osh-native mut+alloc+free+gc
23 12 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 9 15 12.1 osh-nosouffle mut+alloc+free
22 11 12 10.0 osh-nosouffle mut+alloc+free+gc
23 13 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 12.9 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc